Inventor
Lihang Su
Inventor
Changzhi, CN
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Bprimary
B23BTurning33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
7,246,801'Self-tightening keyless chuck'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007Patents assigned to SHANXI HUIFENG POWER TOOLS CO (1)· patent assignee history
2007Based in Changzhi, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHANXI HUIFENG POWER TOOLS CO | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Changzhi, CN | 1 | 2007 |